Clean up some unused imports.

(imported from commit 0c5d8e2a55ba1b8909ba807fee3afe863dcdc226)

api/integrations/codebase/zulip_codebase_mirror

@@ -31,7 +31,6 @@
 
 import requests
 import logging
-import calendar
 import time
 import sys
 import os

bots/irc-mirror.py

@@ -10,9 +10,7 @@ import irc.bot
 import irc.strings
 from irc.client import ip_numstr_to_quad, ip_quad_to_numstr
 import zulip
-import time
 import optparse
-import sys
 
 def zulip_sender(sender_string):
     nick = sender_string.split("!")[0]

bots/process_ccache

@@ -1,6 +1,5 @@
 #!/usr/bin/python
 import sys
-import os
 import subprocess
 import base64
 

tools/check-handlebar-templates

@@ -1,8 +1,6 @@
 #!/usr/bin/env python
 import os
 import sys
-import re
-import glob
 
 sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
 from zulip_tools import check_output

zerver/forms.py

@@ -5,7 +5,6 @@ from django.core.exceptions import ValidationError
 from django.utils.safestring import mark_safe
 from django.contrib.auth.forms import SetPasswordForm
 
-from zproject import settings
 from zerver.models import Realm, get_user_profile_by_email, UserProfile, \
     completely_open
 from zerver.lib.actions import do_change_password

zerver/lib/actions.py

@@ -20,7 +20,7 @@ from django.core.exceptions import ValidationError
 from django.utils.importlib import import_module
 from django.template import loader
 from django.core.mail import EmailMultiAlternatives, EmailMessage
-from django.utils.timezone import utc, is_naive, now
+from django.utils.timezone import now
 
 from confirmation.models import Confirmation
 
@@ -45,8 +45,6 @@ from zerver.lib.alert_words import user_alert_words, add_user_alert_words, \
     remove_user_alert_words, set_user_alert_words
 from zerver.lib.push_notifications import num_push_devices_for_user, send_apple_push_notification
 
-import confirmation.settings
-
 from zerver import tornado_callbacks
 
 import DNS

zerver/lib/alert_words.py

@@ -1,13 +1,7 @@
 from __future__ import absolute_import
 
-import re
-
 import zerver.models
-
 from zerver.lib.cache import cache_with_key, realm_alert_words_cache_key
-
-import itertools
-import logging
 import ujson
 
 @cache_with_key(realm_alert_words_cache_key, timeout=3600*24)

zerver/lib/ccache.py

@@ -25,14 +25,8 @@
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-
 import base64
-import json
-import os
-import readline
 import struct
-import subprocess
-import sys
 
 # Some DER encoding stuff. Bleh. This is because the ccache contains a
 # DER-encoded krb5 Ticket structure, whereas Webathena deserializes

zerver/lib/event_queue.py

@@ -16,7 +16,6 @@ import tornado
 import random
 from zerver.lib.utils import statsd
 from zerver.middleware import async_request_restart
-from zerver.models import get_client
 
 # The idle timeout used to be a week, but we found that in that
 # situation, queues from dead browser sessions would grow quite large

zerver/lib/mention.py

@@ -1,10 +1,5 @@
 from __future__ import absolute_import
 
-import re
-
-from django.db.models import F, Q
-import zerver.models
-
 # Match multi-word string between @** ** or match any one-word
 # sequences after @
 find_mentions = r'(?<![^\s\'\"\(,:<])@(?:\*\*([^\*]+)\*\*|(\w+))'

zerver/lib/push_notifications.py

@@ -1,10 +1,10 @@
 from __future__ import absolute_import
 
-from zerver.models import UserProfile, AppleDeviceToken
+from zerver.models import AppleDeviceToken
 from zerver.lib.timestamp import timestamp_to_datetime
 from zerver.decorator import statsd_increment
 
-from apnsclient import Session, Connection, Message, APNs
+from apnsclient import Session, Message, APNs
 
 from django.conf import settings
 

zerver/lib/statistics.py

@@ -1,11 +1,11 @@
 # -*- coding: utf-8 -*-
 from __future__ import absolute_import
 
-from zerver.models import UserProfile, Realm, UserActivity, UserActivityInterval
+from zerver.models import UserProfile, UserActivity, UserActivityInterval
 
 from django.utils.timezone import utc
 
-from datetime import timedelta, datetime
+from datetime import timedelta
 from itertools import chain
 
 def median(data):

zerver/lib/upload.py

@@ -13,7 +13,6 @@ import base64
 import os
 from PIL import Image, ImageOps
 from StringIO import StringIO
-import errno
 import random
 
 # Performance Note:

zerver/management/commands/analyze_user_activity.py

@@ -4,11 +4,9 @@ from zerver.lib.statistics import seconds_usage_between
 
 from optparse import make_option
 from django.core.management.base import BaseCommand
-from zerver.models import get_user_profile_by_email, UserActivityInterval, \
-    UserProfile
-import sys
+from zerver.models import UserProfile
 import datetime
-from django.utils.timezone import utc, is_naive
+from django.utils.timezone import utc
 
 def analyze_activity(options):
     day_start = datetime.datetime.strptime(options["date"], "%Y-%m-%d").replace(tzinfo=utc)

zerver/management/commands/check_apns_tokens.py

@@ -1,12 +1,7 @@
 from __future__ import absolute_import
 
 from django.core.management.base import BaseCommand
-from django.conf import settings
-
-from zerver.models import AppleDeviceToken
-
 from zerver.lib.push_notifications import check_apns_feedback
-import logging
 
 class Command(BaseCommand):
     help = """Checks the Apple Push Notifications Service for any tokens that have been

zerver/management/commands/enqueue_followup_emails.py

@@ -1,7 +1,6 @@
 from __future__ import absolute_import
 from optparse import make_option
 
-from django.template import loader
 from django.core.management.base import BaseCommand
 from zerver.lib.actions import send_local_email_template_with_delay, clear_followup_emails_queue
 from datetime import timedelta

zerver/management/commands/gravatar_to_user_avatar.py

@@ -1,9 +1,8 @@
 from __future__ import absolute_import
 
-import sys
 import requests
 from zerver.models import get_user_profile_by_email, UserProfile
-from zerver.lib.avatar import gravatar_hash, user_avatar_hash
+from zerver.lib.avatar import gravatar_hash
 from zerver.lib.upload import upload_avatar_image
 from django.core.management.base import BaseCommand, CommandError
 from django.core.files.uploadedfile import SimpleUploadedFile

zerver/management/commands/knight.py

@@ -1,16 +1,13 @@
 from __future__ import absolute_import
 
-import sys
 from optparse import make_option
 
 from django.core.management.base import BaseCommand, CommandError
 from django.core.exceptions import ValidationError
-from django.db.utils import IntegrityError
-from django.core import validators
 
 from guardian.shortcuts import assign_perm, remove_perm
 
-from zerver.models import Realm, UserProfile
+from zerver.models import UserProfile
 
 class Command(BaseCommand):
     help = """Give an existing user administrative permissions over their (own) Realm.

zerver/management/commands/purge_queue.py

@@ -3,7 +3,6 @@ from __future__ import absolute_import
 from django.core.management.base import BaseCommand
 from django.core.management import CommandError
 from zerver.lib.queue import SimpleQueueClient
-import logging
 
 class Command(BaseCommand):
     args = "<queue name>"

zerver/management/commands/realm_emoji.py

@@ -2,7 +2,7 @@ from __future__ import absolute_import
 from optparse import make_option
 
 from django.core.management.base import BaseCommand
-from zerver.models import RealmEmoji, Realm
+from zerver.models import Realm
 from zerver.lib.actions import do_add_realm_emoji, do_remove_realm_emoji
 import sys
 

zerver/management/commands/render_old_messages.py

@@ -2,7 +2,7 @@ from __future__ import absolute_import
 
 from django.core.management.base import BaseCommand
 
-from zerver.models import UserProfile, Message, get_user_profile_by_email
+from zerver.models import Message
 import datetime
 import time
 

zerver/management/commands/set_message_flags.py

@@ -8,7 +8,7 @@ from django.core.management.base import BaseCommand
 
 from zerver.lib import utils
 from zerver.models import UserMessage, get_user_profile_by_email
-from django.db import transaction, models
+from django.db import models
 
 
 class Command(BaseCommand):

zerver/models.py

@@ -9,7 +9,7 @@ from zerver.lib.cache import cache_with_key, update_user_profile_cache, \
     generic_bulk_cached_fetch, cache_set, \
     display_recipient_cache_key, active_user_dicts_in_realm_cache_key
 from zerver.lib.utils import make_safe_digest, generate_random_token
-from django.db import transaction, IntegrityError
+from django.db import transaction
 from zerver.lib import bugdown
 from zerver.lib.avatar import gravatar_hash, get_avatar_url
 from django.utils import timezone

zerver/tornadoviews.py

@@ -7,7 +7,7 @@ from zerver.models import get_client
 from zerver.decorator import asynchronous, authenticated_api_view, \
     authenticated_json_post_view, internal_notify_view, RespondAsynchronously, \
     has_request_variables, to_non_negative_int, json_to_bool, json_to_list, \
-    authenticated_rest_api_view, REQ
+    REQ
 
 from zerver.lib.response import json_success, json_error
 from zerver.middleware import async_request_restart

zerver/views/__init__.py

@@ -7,7 +7,7 @@ from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect, HttpResponseForbidden
 from django.shortcuts import render_to_response, redirect
 from django.template import RequestContext, loader
-from django.utils.timezone import now, utc
+from django.utils.timezone import now
 from django.utils.html import mark_safe
 from django.utils.cache import patch_cache_control
 from django.core.exceptions import ValidationError
@@ -16,35 +16,35 @@ from django.contrib.auth.views import login as django_login_page, \
     logout_then_login as django_logout_then_login
 from django.db.models import Q, F
 from django.core.mail import send_mail, mail_admins, EmailMessage
-from django.db import transaction, IntegrityError
+from django.db import transaction
 from zerver.models import Message, UserProfile, Stream, Subscription, \
     Recipient, Realm, UserMessage, bulk_get_recipients, \
     PreregistrationUser, get_client, MitUser, UserActivity, UserActivityInterval, \
-    MAX_SUBJECT_LENGTH, get_stream, bulk_get_streams, UserPresence, \
-    get_recipient, valid_stream_name, to_dict_cache_key, to_dict_cache_key_id, \
+    get_stream, bulk_get_streams, UserPresence, \
+    get_recipient, valid_stream_name, to_dict_cache_key_id, \
     extract_message_dict, stringify_message_dict, parse_usermessage_flags, \
     email_to_domain, email_to_username, get_realm, completely_open, \
     is_super_user, AppleDeviceToken, get_active_user_dicts_in_realm
-from zerver.lib.actions import do_remove_subscription, bulk_remove_subscriptions, \
+from zerver.lib.actions import bulk_remove_subscriptions, \
     do_change_password, create_mirror_user_if_needed, compute_irc_user_fullname, \
     compute_jabber_user_fullname, do_change_full_name, \
     do_change_enable_desktop_notifications, do_change_enter_sends, do_change_enable_sounds, \
-    do_send_confirmation_email, do_activate_user, do_create_user, check_send_message, \
+    do_activate_user, do_create_user, check_send_message, \
     do_change_subscription_property, internal_send_message, \
-    create_stream_if_needed, gather_subscriptions, subscribed_to_stream, \
+    create_stream_if_needed, gather_subscriptions, \
     update_user_presence, bulk_add_subscriptions, do_update_message_flags, \
     recipient_for_emails, extract_recipients, do_events_register, \
     get_status_dict, do_change_enable_offline_email_notifications, \
     do_update_message, internal_prep_message, \
-    do_send_messages, do_add_subscription, get_default_subs, do_deactivate, \
+    do_send_messages, get_default_subs, do_deactivate, \
     user_email_is_unique, do_invite_users, do_refer_friend, compute_mit_user_fullname, \
     do_add_alert_words, do_remove_alert_words, do_set_alert_words, get_subscriber_emails, \
-    update_user_activity_interval, do_set_muted_topics, do_rename_stream, \
+    do_set_muted_topics, do_rename_stream, \
     notify_for_streams_by_default, do_change_enable_offline_push_notifications
 from zerver.lib.create_user import random_api_key
 from zerver.lib.push_notifications import num_push_devices_for_user
 from zerver.forms import RegistrationForm, HomepageForm, ToSForm, CreateBotForm, \
-    is_inactive, not_mit_mailing_list
+    is_inactive
 from django.views.decorators.csrf import csrf_exempt, csrf_protect
 from django_openid_auth.views import default_render_failure, login_complete
 from openid.consumer.consumer import SUCCESS as openid_SUCCESS
@@ -56,16 +56,14 @@ from zerver.decorator import require_post, \
     authenticated_api_view, authenticated_json_post_view, \
     has_request_variables, authenticated_json_view, \
     to_non_negative_int, json_to_dict, json_to_list, json_to_bool, \
-    JsonableError, get_user_profile_by_email, \
-    authenticated_rest_api_view, process_as_post, REQ, rate_limit_user, \
+    JsonableError, get_user_profile_by_email, process_as_post, REQ, \
     zulip_internal
 from zerver.lib.query import last_n
 from zerver.lib.avatar import avatar_url
 from zerver.lib.upload import upload_message_image_through_web_client, upload_avatar_image, \
     get_signed_upload_url
 from zerver.lib.response import json_success, json_error, json_response, json_method_not_allowed
-from zerver.lib.cache import cache_get_many, cache_set_many, \
-    generic_bulk_cached_fetch
+from zerver.lib.cache import generic_bulk_cached_fetch
 from zerver.lib.unminify import SourceMap
 from zerver.lib.queue import queue_json_publish
 from zerver.lib.utils import statsd, generate_random_token

zerver/views/webhooks.py

@@ -5,10 +5,10 @@ from __future__ import absolute_import
 from django.conf import settings
 from django.views.decorators.csrf import csrf_exempt
 from zerver.models import UserProfile, get_client, MAX_SUBJECT_LENGTH, \
-      get_user_profile_by_email, Realm
+      get_user_profile_by_email
 from zerver.lib.actions import check_send_message
 from zerver.lib.response import json_success, json_error
-from zerver.decorator import rate_limit_user, authenticated_api_view, REQ, \
+from zerver.decorator import authenticated_api_view, REQ, \
     has_request_variables, json_to_dict, authenticated_rest_api_view, \
     api_key_only_webhook_view
 from zerver.views import send_message_backend
@@ -20,7 +20,6 @@ import base64
 import logging
 import re
 import ujson
-import markdown.inlinepatterns
 from functools import wraps
 
 def github_generic_subject(noun, repository, blob):

zerver/worker/queue_processors.py

@@ -2,7 +2,7 @@ from __future__ import absolute_import
 
 from django.conf import settings
 from postmonkey import PostMonkey, MailChimpException
-from zerver.models import UserActivityInterval, get_user_profile_by_email, \
+from zerver.models import get_user_profile_by_email, \
     get_user_profile_by_id, get_prereg_user_by_email, get_client
 from zerver.lib.context_managers import lockfile
 from zerver.lib.queue import SimpleQueueClient, queue_json_publish
@@ -18,7 +18,6 @@ from confirmation.models import Confirmation
 import os
 import sys
 import ujson
-import traceback
 from collections import defaultdict
 import time
 import datetime

zilencer/management/commands/create_deployment.py

@@ -1,6 +1,5 @@
 from __future__ import absolute_import
 from optparse import make_option
-import re
 import sys
 
 from django.core.management.base import BaseCommand

zilencer/views.py

@@ -1,13 +1,12 @@
 from django.http import HttpResponse
-from django.views.decorators.csrf import csrf_exempt, csrf_protect
+from django.views.decorators.csrf import csrf_exempt
 
 from zerver.decorator import has_request_variables, REQ, json_to_dict
 from zerver.lib.actions import internal_send_message
 from zerver.lib.response import json_success, json_error, json_response, json_method_not_allowed
 from zerver.lib.rest import rest_dispatch as _rest_dispatch
 from zerver.models import get_realm, get_user_profile_by_email, email_to_domain, \
-        UserProfile, Realm
-from zilencer.models import Deployment
+        UserProfile
 
 rest_dispatch = csrf_exempt((lambda request, *args, **kwargs: _rest_dispatch(request, globals(), *args, **kwargs)))
 

zproject/local_settings_template.py

@@ -1,7 +1,4 @@
 # Template for Django settings for the Zulip local servers
-import os
-import platform
-import re
 
 # This is the user-accessible Zulip hostname for this installation
 EXTERNAL_HOST = ''